mgt.h

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/*
 * Copyright (c) 2013 - Andre Roth <neolynx@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation version 2.1 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 */
 
#ifndef _MGT_H
#define _MGT_H
 
#include <stdint.h>
#include <unistd.h> /* ssize_t */
 
#include <libdvbv5/atsc_header.h>
 
#define ATSC_TABLE_MGT 0xC7
 
struct atsc_table_mgt_table {
        uint16_t type;
        union {
                uint16_t bitfield;
                struct {
                        uint16_t pid:13;
                        uint16_t one:3;
                } __attribute__((packed));
        } __attribute__((packed));
        uint8_t type_version:5;
        uint8_t one2:3;
        uint32_t size;
        union {
                uint16_t bitfield2;
                struct {
                        uint16_t desc_length:12;
                        uint16_t one3:4;
                } __attribute__((packed));
        } __attribute__((packed));
        struct dvb_desc *descriptor;
        struct atsc_table_mgt_table *next;
} __attribute__((packed));
 
struct atsc_table_mgt {
        struct dvb_table_header header;
        uint8_t  protocol_version;
        uint16_t tables;
        struct atsc_table_mgt_table *table;
        struct dvb_desc *descriptor;
} __attribute__((packed));
 
#define atsc_mgt_table_foreach( _table, _mgt ) \
        if (_mgt && _mgt->_table) \
                for( struct atsc_table_mgt_table *_table = _mgt->table; _table; _table = _table->next ) \
 
struct dvb_v5_fe_parms;
 
#ifdef __cplusplus
extern "C" {
#endif
 
ssize_t atsc_table_mgt_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf,
                            ssize_t buflen, struct atsc_table_mgt **table);
 
void atsc_table_mgt_free(struct atsc_table_mgt *table);
 
void atsc_table_mgt_print(struct dvb_v5_fe_parms *parms,
                          struct atsc_table_mgt *table);
 
#ifdef __cplusplus
}
#endif
 
#endif